Mercurial > cpython-lru_cache-weakref
annotate Demo/scripts/primes.py @ 79675:c0a2294de787 2.7
Issue #16199: Backport 2to3 typo fix from 3.2.
| author | Chris Jerdonek <chris.jerdonek@gmail.com> |
|---|---|
| date | Thu, 11 Oct 2012 16:15:46 -0700 |
| parents | 4ba27d18dd92 |
| children |
| rev | line source |
|---|---|
|
4573
73758db2f464
/usr/local/bin/python -> /usr/bin/env python
Guido van Rossum <guido@python.org>
parents:
1269
diff
changeset
|
1 #! /usr/bin/env python |
| 274 | 2 |
| 3 # Print prime numbers in a given range | |
| 4 | |
| 56474 | 5 def primes(min, max): |
| 56476 | 6 if max >= 2 >= min: |
| 56474 | 7 print 2 |
| 8 primes = [2] | |
| 9 i = 3 | |
| 10 while i <= max: | |
| 11 for p in primes: | |
| 12 if i % p == 0 or p*p > i: | |
| 13 break | |
| 14 if i % p != 0: | |
| 15 primes.append(i) | |
| 16 if i >= min: | |
| 17 print i | |
| 18 i += 2 | |
| 19 | |
| 274 | 20 def main(): |
|
32735
2bc66f1df7cc
Whitespace normalization. Ran reindent.py over the entire source tree.
Tim Peters <tim.peters@gmail.com>
parents:
4573
diff
changeset
|
21 import sys |
|
2bc66f1df7cc
Whitespace normalization. Ran reindent.py over the entire source tree.
Tim Peters <tim.peters@gmail.com>
parents:
4573
diff
changeset
|
22 min, max = 2, 0x7fffffff |
|
2bc66f1df7cc
Whitespace normalization. Ran reindent.py over the entire source tree.
Tim Peters <tim.peters@gmail.com>
parents:
4573
diff
changeset
|
23 if sys.argv[1:]: |
| 56474 | 24 min = int(sys.argv[1]) |
|
32735
2bc66f1df7cc
Whitespace normalization. Ran reindent.py over the entire source tree.
Tim Peters <tim.peters@gmail.com>
parents:
4573
diff
changeset
|
25 if sys.argv[2:]: |
| 56474 | 26 max = int(sys.argv[2]) |
|
32735
2bc66f1df7cc
Whitespace normalization. Ran reindent.py over the entire source tree.
Tim Peters <tim.peters@gmail.com>
parents:
4573
diff
changeset
|
27 primes(min, max) |
| 274 | 28 |
|
33456
487280cf71b9
Add 'if __name__ == "__main__":' to files already as a usable as a module.
Johannes Gijsbers <jlg@dds.nl>
parents:
32735
diff
changeset
|
29 if __name__ == "__main__": |
|
487280cf71b9
Add 'if __name__ == "__main__":' to files already as a usable as a module.
Johannes Gijsbers <jlg@dds.nl>
parents:
32735
diff
changeset
|
30 main() |
